
How do you find the primitive/integral of $\\arctan(x)$?
May 29, 2018 · I tried searching for how you derive the integral/primitive of arctan(x) arctan (x), but I can't find any question on S.E with an answer that clearly explains this.
What is up with the antiderivative of $\arctan^2 (x)$?
Apr 30, 2018 · Integrating $\arctan^2 (x)$ has been a mystery to me since I first learned to compute indefinite integrals. When I plug it into integral calculator or WolframAlpha, I get a …
Understanding the integral of 1/(1+x^2) - Physics Forums
Aug 15, 2011 · I know you could just remember the derivative of arctan, but I was curious about how you get to that answer. What is the logic behind the intermediate steps of finding the …
How to integrate $\arctan^2 (x)$ - Mathematics Stack Exchange
Apr 24, 2019 · How to integrate $\arctan^2 (x)$ Ask Question Asked 6 years, 8 months ago Modified 6 years, 8 months ago
. What is the antiderivative of e^arctan (x)? • Physics Forums
Jan 21, 2006 · The antiderivative of e^arctan (x) does not have an expression in terms of elementary functions, as established in the discussion. The integral can be transformed into …
Antiderivative of $\arctan (-x^2)$ - Mathematics Stack Exchange
Apr 26, 2016 · Antiderivative of $\arctan (-x^2)$ Ask Question Asked 9 years, 5 months ago Modified 9 years, 5 months ago
How can I integrate e^x arctan (x) without Wolfram?
Apr 19, 2012 · The integral of e^x arctan (x) does not have an elementary antiderivative, as confirmed by multiple contributors in the forum discussion. Attempts to solve the integral using …
Express $\arctan (2x)$ as power series - Mathematics Stack Exchange
Jul 27, 2016 · The geometric series that you got is for $\dfrac d {dx} \arctan (2x)$, not for $\arctan (2x)$. You need to take an antiderivative of that.
Why Is the Antiderivative of 1/ (1+x^2) Equal to arctan (x)?
Mar 16, 2011 · I didn't know about sec (x), but according to Wikipedia it is 1/cos (x). Is that correct? The problem, however, is to find the antiderivative of 1/ (1+x^2), which happens to be …
Find $\int {\arctan x}\,\mathrm dx$ without substitution
May 28, 2018 · Also, in order to find the antiderivative of $\tan {x}$, you use u-substitution which goes against our goal of integrating without u-substitution. Anyways, hopes this helps